LM3410
Boost/SEPIC Constant Current LED DriverThe LM3410 is a boost/sepic constant current led driver from Texas Instruments. View the full LM3410 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Official LM3410 datasheet (PDF) — the source this page was extracted from.
Manufacturer
Texas InstrumentsCategory
Boost/SEPIC Constant Current LED Driver
LM3410 Key Specifications
| Parameter | Value |
|---|---|
| Efficiency | up to 88% |
| Thermal Shutdown | 165°C |
| Input Voltage Range | 2.7V to 5.5V |
| Switching Frequency | 525 kHz (LM3410Y) / 1.6 MHz (LM3410X) |
| Output Voltage Range | 3V to 24V |
| Switch Current Limit | 2.8A typical (2.1A min) |
| Switch On Resistance | 170 mΩ typical (SOT-23, MSOP-PowerPAD), 190 mΩ typical (WSON) |
| Feedback Reference Voltage | 190 mV |
| Junction Temperature Range | -40°C to 125°C |
| Shutdown Quiescent Current | 80 nA |
| Quiescent Current (Switching) | 7.0 mA (X) / 3.4 mA (Y) typical |
LM3410 Overview
Part: LM3410, LM3410-Q1 — Texas Instruments
Type: Constant-Current Boost and SEPIC LED Driver (PWM DC-DC converter)
Description: 2.7–5.5 V input, 525 kHz (LM3410Y) or 1.6 MHz (LM3410X) constant-current boost/SEPIC LED driver with 2.8 A (typ) switch current limit, 170 mΩ NMOS switch, and 190 mV feedback reference.
Operating Conditions:
- Supply voltage: 2.7–5.5 V
- Operating junction temperature: -40 to 125 °C
- Switch output voltage (VSW): 3–24 V
- DIM input: 0 to VIN
Absolute Maximum Ratings:
- Input voltage: -0.5 to 7 V (the pin-to-rating mapping of the other rows, -0.5 to 26.5 V, -0.5 to 3 V and -0.5 to 7 V, is not preserved in the extracted table)
- Max junction temperature: 150 °C
- Storage temperature: -65 to 150 °C
- ESD: HBM ±2000 V, CDM ±1000 V
Key Specs:
- Feedback voltage VFB: 178 / 190 / 202 mV (min/typ/max)
- Switching frequency: LM3410X 1200 / 1600 / 2000 kHz; LM3410Y 360 / 525 / 680 kHz
- Switch current limit: 2.1 min, 2.8 typ A
- RDS(ON): MSOP and SOT-23 170 mΩ typ, 330 mΩ max; WSON 190 mΩ typ, 350 mΩ max
- Maximum duty cycle: LM3410X 92% typ; LM3410Y 95% typ
- Quiescent current (switching, VFB = 0.25 V): LM3410X 7 mA typ, 11 mA max; LM3410Y 3.4 mA typ, 7 mA max
- Shutdown quiescent current (VDIM = 0 V): 80 nA typ
- UVLO: 2.3 V typ, 2.65 V max (VIN rising); 1.9 V typ (VIN falling)
- Thermal shutdown: 165 °C typ
Features:
- AEC-Q100 qualified, Grade 1 (-40 to 125 °C ambient)
- Output voltage 3–24 V
- Current-mode PWM operation with internal compensation
- Internal soft start
- PWM dimming via DIM pin (duty cycle 0–100%)
- Cycle-by-cycle current limit
- Thermal shutdown
- Efficiency up to 88%
Applications:
- LED backlight current sources
- LiIon backlight OLED and HB LED drivers
- Handheld devices
- LED flash drivers
- Automotive applications
Package:
- WSON (6), 3.00 mm × 3.00 mm (NGG)
- MSOP-PowerPAD (8), 2.90 mm × 1.60 mm (DGN)
- SOT-23 (5), 3.00 mm × 3.00 mm (DBV)
LM3410 Features
- 1 · Qualified for Automotive Applications
- AEC-Q100 Test Guidance With the Following:
- -Device Temperature Grade 1: -40°C to 125°C Ambient Operating Temperature Range
- -Device HBM ESD Classification Level 2
- -Device CDM ESD Classification Level C6
- Space-Saving SOT-23 and WSON Packages
- Input Voltage From 2.7 V to 5.5 V
- Output Voltage From 3 V to 24 V
- 2.8-A (Typical) Switch Current Limit
- High Switching Frequency
- -525 KHz (LM3410Y)
- -1.6 MHz (LM3410X)
- 170-m Ω NMOS Switch
- 190-mV Internal Voltage Reference
- Internal Soft Start
- Current-Mode, PWM Operation
- Thermal Shutdown
LM3410 Applications
- LED Backlight Current Sources
- LiIon Backlight OLED and HB LED Drivers
- Handheld Devices
- LED Flash Drivers
- Automotive Applications
LM3410 Pin Configuration
LM3410 Electrical Characteristics
Typical values apply for TJ = 25°C; Minimum and maximum limits apply for TJ = -40°C to 125°C and VIN = 5 V (unless otherwise noted). Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference purposes only.
| PARAMETER | PARAMETER | TEST CONDITIONS | MIN | TYP | MAX | UNIT |
|---|---|---|---|---|---|---|
| V FB | Feedback voltage | 178 | 190 | 202 | mV | |
| Δ V FB /V IN | Feedback voltage line regulation | V IN = 2.7 V to 5.5 V | 0.06 | %/V | ||
| I FB | Feedback input bias current | 0.1 | 1 | μA | ||
| f SW | Switching frequency | LM3410X | 1200 | 1600 | 2000 | kHz |
| f SW | Switching frequency | LM3410Y | 360 | 525 | 680 | kHz |
| D MAX | Maximum duty cycle | LM3410X | 88% | 92% | ||
| D MAX | Maximum duty cycle | LM3410Y | 90% | 95% | ||
| D MIN | Minimum duty cycle | LM3410X | 5% | |||
| D MIN | Minimum duty cycle | LM3410Y | 2% | |||
| R DS(ON) | Switch on resistance | MSOP and SOT-23 | 170 | 330 | m Ω | |
| R DS(ON) | Switch on resistance | WSON | 190 | 350 | m Ω | |
| I CL | Switch current limit | 2.1 | 2.8 | A | ||
| SU | Start-up time | 20 | μs | |||
| I Q | Quiescent current (switching) | LM3410X, V FB = 0.25 V | 7 | 11 | mA | |
| I Q | Quiescent current (switching) | LM3410Y, V FB = 0.25 V | 3.4 | 7 | mA | |
| I Q | Quiescent current (shutdown) | All versions, V DIM = 0 V | 80 | nA | ||
| UVLO | Undervoltage lockout | V IN rising | 2.3 | 2.65 | V | |
| UVLO | Undervoltage lockout | V IN falling | 1.7 | 1.9 | V | |
| V DIM_H | Shutdown threshold voltage | 0.4 | V | |||
| V DIM_H | Enable threshold voltage | 1.8 | V | |||
| I SW | Switch leakage | V SW = 24 V | 1 | μA | ||
| I DIM | Dimming pin current | Sink and source | 100 | nA | ||
| T SD | Thermal shutdown temperature (1) | 165 | °C |
LM3410 Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted) (1)(2)
| MIN | MAX | UNIT | |
|---|---|---|---|
| Input voltage | -0.5 | 7 | V |
| Input voltage | -0.5 | 26.5 | V |
| -0.5 | 3 | V | |
| -0.5 | 7 | V | |
| Operating juction temperature (3) , T J | 150 | °C | |
| Storage temperature, T stg | -65 | 150 | °C |
LM3410 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
| MIN | MAX | UNIT | ||
|---|---|---|---|---|
| V IN | Input voltage | 2.7 | 5.5 | V |
| V DIM | DIM control input (1) | 0 | V IN | V |
| V SW | Switch output | 3 | 24 | V |
| T J | Operating junction temperature | -40 | 125 | °C |
| Power dissipation (Internal) | 400 | mW |
LM3410 Thermal Information
| THERMAL METRIC (1) | THERMAL METRIC (1) | THERMAL METRIC (1) | LM3410, LM3410-Q1 - NGG (WSON) | LM3410, LM3410-Q1 - DGN (MSOP- PowerPAD) | LM3410, LM3410-Q1 - DBV (SOT-23) | UNIT |
|---|---|---|---|---|---|---|
| 6 PINS | 8 PINS | 5 PINS | ||||
| R θ JA | Junction-to-ambient thermal resistance | 0 LFPM Air Flow | 55.3 | 53.7 | 164.2 | °C/W |
| R θ JC(top) | Junction-to-case (top) thermal resistance | 65.9 | 61.4 | 115.3 | °C/W | |
| R θ JB | Junction-to-board thermal resistance | 29.6 | 37.3 | 27 | °C/W | |
| ψ JT | Junction-to-top characterization parameter | 1.1 | 7.1 | 12.8 | °C/W | |
| ψ JB | Junction-to-board characterization parameter | 29.7 | 37 | 26.5 | °C/W | |
| R θ JC(bot) | Junction-to-case (bottom) thermal resistance | 9.3 | 6.8 | - | °C/W |
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| LM3410XMY/NOPB | Texas Instruments | 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) |
| LM3410XQMFX | Texas Instruments | SOT-23-5 |
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